AGRICULTURE
Any gaps or resets in the Ultra/Apex PPP solution will cause gaps in the ‘Tidal Height’ and the ‘Geoid Tide’ plots:
And gaps in the TideInfo.txt file:
$UltraTide,20060929,23:50:00,1096,600,600,3611.6393,N,00331.8334,W,76.19,0.06,0.07,76.09,76.29,77.56,-1.37,47.34,EGM96*15
$UltraTide,20060930,00:00:00,1097,600,600,3612.1088,N,00328.9321,W,76.25,0.07,0.10,76.00,76.36,77.56,-1.31,47.41,EGM96*13
$UltraTide,20060930,00:10:00,1098,600,0,,,,,,,,,,77.56,,,*46
$UltraTide,20060930,00:20:00,1099,600,0,,,,,,,,,,77.56,,,*44
$UltraTide,20060930,00:30:00,1100,600,342,3613.4380,N,00320.3396,W,76.75,0.08,0.26,76.56,77.02,77.55,-0.80,47.50,EGM96*1F
$UltraTide,20060930,00:40:00,1101,600,600,3613.7931,N,00317.4634,W,76.58,0.07,0.06,76.49,76.68,77.55,-0.97,47.53,EGM96*13
Longer gaps will also have an impact on the hourly Doodson calculation creating the MSS reference: